Get TLS certificate from smtp server

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Mini guide how to extract the public
a pharmacie de mes rêves en france au centre de paris
a pharmacie de mes rêves en france au centre de paris
certificate from at SMTP server using TLS

openssl s_client -connect mail.example.com:25 -starttls smtp
Download OpenSSL for windows here: https://slproweb.com/products/Win32OpenSSL.html

copy Server certificate section from
-----BEGIN CERTIFICATE----- to
-----END CERTIFICATE-----
and save to a .cer file, and open the file

source: https://serverfault.com/questions/131627/how-to-inspect-remote-smtp-servers-tls-certificate

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